Description : Pick out the wrong statement about coating/electroplating of metals. (A) Phosphate coating is used as an excellent base for paints & enamels (B) Phosphate coating is less corrosion resistant than ... coating metal is made the anode (D) Calorising is the process of coating steel with chromium
Last Answer : (D) Calorising is the process of coating steel with chromium
Description : In order to prevent the corrosion of iron pipes, they are often coated with a layer of zinc. This process is termed as (a) electroplating (b) annealing (c) galvanization (d) vulcanization
Last Answer : Ans:(c)
Description : In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as------? A. Electroplating B. Annealing C. Galvanization (Answer) D. Vulcanization
Last Answer : C. Galvanization (Answer)
Description : In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as: A. Electroplating B. Annealing C. Galvanization D. Vulcanization
Last Answer : ANSWER: C
Description : __________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it increased resistance to corrosion & oxidation upto a temperature of 700°C. (A) Veneering (B) Galvanising (C) Electroplating (D) Calorising
Last Answer : (D) Calorising
Description : The purpose of an impressed current cathodic protection system aboard ship is to _______________. A. prevent corrosion of the hull, propeller, rudder and line shafting B. neutralize the vessel's ... the presence of salt air D. maintain a minimum constant alternator load to prevent overheating
Last Answer : Answer: A
Description : The purpose of lubrication in an antifriction bearing is (a) to reduce the friction between balls and races (b) dissipation of frictional heat prevention of corrosion (c) protection of the bearing from dirt and other foreign particles (d) all of the mentioned
Last Answer : (d) all of the mentioned
Description : Sacrificial anode method is used in the protection of pipelines which are buried underground. Sacrificial anode (A) Occurs higher in the electro-chemical series of metals (B) Is exemplified by magnesium plate (C) ... cathodic base material to be guarded against corrosion (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its (A) Lower cost (B) Abundant availability (C) Resistance to vegetable acids as the tin plate are commercially used in 'canning' industry (D) None of these
Last Answer : (C) Resistance to vegetable acids as the tin plate are commercially used in 'canning' industry
Description : Galvanic corrosion cannot be prevented by (A) Cathodic protection (B) Anodic protection (C) Usage of largest possible anodic area (D) Any one of these
Last Answer : Option B
Description : Describe metal spraying process for protection of metal from corrosion .Write its two applications.
Last Answer : Process:- i) In this method, coating metal sprayed on the surface of base metal with the help of spraying gun or pistol. ii) The spraying gun consist of a duct for compressed air and is fitted with the oxy- ... 4) Coating of metals like Al, Zn, Ni, Sn, Pb etc. is made by the method of spraying.
Description : Select the correct statement from the ones given below with respect to Periplaneta americana. (a) Nervous system located dorsally, consists of segmentally arranged ganglia joined by a pair of longitudinal ... midgut and hindgut. (d) Grinding of food is carried out only by the mouth parts.
Last Answer : (b) Males bear a pair of short thread like anal styles.
Description : Select the correct statement from the ones given below with respect to Periplaneta americana (1) Grinding of food is carried out only by the mouth parts (2) Nervous system located dorsally, consists ... (4) There are 16 very long Malpighian tubules present at the junctions of midgut and hindgut
Last Answer : (3) Males bear a pair of short thread like anal styles
Description : Preservation period of stack book of post office is a) 20 Years b) 10 Years c) 5 Year s d) 3 Year s
Last Answer : b) 10 Years
Description : Pick up the correct statement from the following: A. Hydrogen sulphide gas in excess, may cause corrosion of concrete sewers B. 4 ppm of Dissolved Oxygen (D.O.) is ensured before discharging the treated ... river C. Solubility of oxygen in sewage is 95% of that of distilled water D. All the above
Last Answer : ANS: D
Description : Pick up the correct statement from the following: (A) Deposition of calcium carbonate on the inside of the well pipe, causes incrustation of the pipe (B) Incrustation of the pipe reduces the discharge (C) Acidic waters cause corrosion of the pipes (D) All the above
Last Answer : (D) All the above
Description : Pick up the correct statement from the following: (A) Sand obtained from pits, is washed to remove clay and silt (B) Sand obtained from flooded pits, need not be washed before use (C) The ... shore sand and shingle may cause corrosion of reinforcement if the concrete is porous (D) All the above
Last Answer : Answer: Option D
Description : Mark the correct option a) Preservation period of DG order is three years after the close of the year in which they were issued b) Preservation period of fortnightly reports of superintendent one year after the month to which there relate c) Both the A & B d) None of these
Last Answer : c) Both the A & B
Description : Mark correct option related to preservation period a) Order book of mail office and section is three years b) Work paper of RMS offices and section is eighteen months c) Correspondence related to robberies, theft etc is one year after the case closed. d) All the above are correct
Last Answer : d) All the above are correct
Description : Mark correct option related to preservation period a) Nominal roll cum attendance & destruction of record register is permanent b) All records of registration and parcel dept except foreign article is 1 year c) All records ... 1 ½ year, IPO 42 months, Book of MO receipt is 2 years e) All the above
Last Answer : e) All the above
Description : Mark correct option related to preservation period a) All records of mail department except due mail & sorting list 1 year b) Book of post marks(MS 18) & Postman book (MS-27) 1 ½ year c) Enumeration returns (MS-6) 2 years d) All monthly statistical registers 3 years e) All of the above
Last Answer : e) All of the above
Description : DIY decoration ideas for Christmas?
Last Answer : If you're in an area with wild holly, you can get some cuttings and put them in vases, or even make a wreath or garland of them. Very festive, surpsisingly long-lasting (three weeks or so without ... you don't have pets or children that might eat the toxic berries, as they do fall off eventually.
Description : Is it odd to prefer minimal decoration?
Last Answer : I don't think it's weird, but it sounds like there is some sort of cultural/decorational sameness being desired or its lack is making some of them uncomfortable for some reason. If the workplace ... tons of knicknacks in their offices and are self-conscious and so projecting on you. Just guessing.
Description : What's the purpose of decorative towels besides decoration?
Last Answer : It’s like putting a piece of carpet on a toilet seat, give your head a wobble This idiotic trend should be known as the “Trump hair” phenomenon
Description : If you had a bar, what would your decoration theme be?
Last Answer : 15 century Dungeon and Dragons theme… a dragons horde.
Description : I need decoration ideas for a small bathroom with a very high ceiling.
Last Answer : This looks nice.
Description : What is a good place to find a cheap but original wall-decoration? What do you have?
Last Answer : etsy.com
Description : School or art themed decoration ideas?
Last Answer : answer:That sounds like a neat idea. If you want to continue with the colorful theme, you could get a bunch of those pretty silk Gerber Daisies that you can get at Michael's or other crafts ... to make it really pop. Or even unwrapped pieces of colorful hard candies. Or even Valentine's Hearts
Description : How do you use broken pottery as a garden decoration?
Last Answer : One common way is to make a toad house. Just a little shelter and water makes it easier for toads to live in your garden and eat bugs.
Description : What's the oldest Christmas tree decoration or other Christmas decoration you have?
Last Answer : answer:My parents inherited ornaments from both of their parents. The oldest ones are probably from the early 1900's and are most likely from Germany. They are glass ornaments with concave areas that are painted ... are from the 50's and 60's, but the ones from the grandmas are just gorgeous!
Description : Does a decoration with an image of Mao Tse Tung have any place on the White House Christmas tree?
Last Answer : As long as you have a sense of humor. Yes
Description : How should I clean this aquarium decoration?
Last Answer : Just scrub it with dish soap and hot water, (make sure you’ve got all the soap off!), let it air dry, and then throw it right in your new fish tank. You should be just fine.
Description : Do you frown upon people who don't put even a single decoration up for the holidays?
Last Answer : I don't decorate. It's not because I don't want to celebrate a particular holiday; it's because I don't believe that celebration and spending lots of money on crap made in China to put on my ... decorations for the neighbors. And I would never decorate for any other holiday, it's just not my style.
Description : Where can I find a decoration from the show House M.D.?
Last Answer : Looks pretty Ikea-esque to me
Description : Those cutout windows on pickup trucks... Do they serve a purpose or are they just for decoration?
Last Answer : It allows the driver to see down to the road to see, for instance, whether they’re about to run some poor, unsuspecting Honda Civic driver off into the median.
Description : how do I preserve gourds so i can use them for decoration again next fall?
Last Answer : Need Answer
Description : I'm used for a lot of things, I'm used for flowers, plants, food and sometimes for decoration, I come in different colors and shapes and I break if you don't take care of me. What am I? -Riddles
Last Answer : I’m glass.
Description : I have memories, but none of my own, whatever's on my inside is what is shown. If I'm ever different it's because you changed me, I feel like a decoration, here for you to arrange me. What am I? -Riddles
Last Answer : This answer was deleted by moderators
Description : India's highest military decoration is given for display of courage and might in war -General Knowledge
Last Answer : Param Vir Chakra Shikha Goyal. Param Vir Chakra or PVC is India's highest military decoration which is awarded for most conspicuous bravery or some daring or pre-eminent act of valour or self-sacrifice, in the ... at sea or in the air. It was introduced on 26 January, 1950 on the first Republic Day.
Description : Provisions for tattoos that are made with yarn under the skin and can be removed at any time ? I want to know if body stitching is a part of the forbidden change in God's creation ; Iblis has ... tattoos or eyebrow flakes ; Which are included in the aforesaid haram. I hope you will clear this issue.
Last Answer : answer:
Description : What is the meaning of decoration ?
Last Answer : Decorated means decorated.
Description : Is it possible to do something about it so that plates with gold decoration do not spark in the microwave oven?
Last Answer : Plates with gold decoration are not intended for microwave ovens. Both the plates and the oven are destroyed. The gold decoration contains metal particles that react with the burning ... the microwave. Utensils directly intended for microwave ovens are also manufactured and commonly sold.
Description : Christmas decoration tips?
Last Answer : Here are some creative christmas decorative tips for you. 1. Use a special wrapping .Coordinate your gift wrapping to complement the colours scheme in your living room.use the same technique for your ... elements ,like the pair of little gold votive lamps. thank you . Please like this post.
Description : How many syllables does the word decoration have?
Last Answer : The word decorate has 3 syllables de-co-rate
Description : How does the Woodpecker Tree Decoration mount to a tree?
Last Answer : The Woodpecker Tree Decoration has metal stakes that it attaches to the tree with.
Description : What can I put on the mantle for decoration?
Last Answer : You can always put pictures and other items of signficance that are conversation starters.
Description : Umbrella Stands Outdoor Decoration and Function?
Last Answer : Umbrella stands outdoor decorations are pretty and functional. They hold an umbrella in place in the center of a table. Without a weighted stand, the wind can catch the umbrella and cause your ... can damage or break your table. Umbrellas should be properly secured into the stand to prevent damage.
Description : What is the best christmas decoration for the home?
Last Answer : The most important Christmas decoration of all is a tree. You can purchase a real tree or an artificial one, and decorate it with lights and ornaments.
Description : How can you use leftover Halloween decorations to make a Thanksgiving Centerpiece decoration?
Last Answer : A common and simple Thanksgiving centerpiece is a basket of gourds, small pumpkins, and squash. If you're looking for something still easy but more advanced, stick feathers into a medium size pumpkin (like ... skewer to attach a smaller pumpkin to the larger one (as the head) and attach wiggly eyes.